She turned on her elegantly shod heel.
她突然转身，迈开穿着雅致的皮鞋的双脚离去了。
He didn't reply. Instead, he turned on his heel and left the room.
他没有回答，反而转身离开了房间。
The cat suddenly turned on its trainer.
这只猫突然转而进攻它的训练者。
The dogs suddenly turned on each other.
那两条狗突然互相撕咬了起来。
He just plonked himself down and turned on the TV.
他一屁股坐下来，打开了电视。
He sat down in the armchair and turned on the radio.
他在扶手椅上坐下来，打开了收音机。
The discussion turned on the need to raise standards.
这次讨论的主要议题是提高标准的必要性。
Goaded beyond endurance, she turned on him and hit out.
她被气得忍无可忍，于是转身向他猛击。
Alerted by a noise downstairs, he sat up and turned on the light.
楼下的响声使他警觉，他坐起来打开灯。
Richard picked up the remote control and turned on the television.
理查德拿起遥控器，打开了电视机。
She turned on the overhead light and looked around the little room.
她打开顶灯，环视这间小屋。
I'm sure we watched the nightly news, and then we turned on the film.
我肯定我们看了晚间新闻，然后又看了电影。
She went into the shower stall, turned on the water, and grabbed the soap.
她走进淋浴间，打开水，抓起香皂。
He turned on the radio and fiddled with the knob until he got a talk show.
他打开收音机，调动旋钮，直到他收到了一个谈话节目。
莎拉打开了电视。
I walk around the house with it even though it's not turned on.
我带着它在家里走来走去，尽管它没有打开。
Next, Jeff turned on the second stove burner to heat up the frying pan.
接着，杰夫打开第二个炉子给煎锅预热。
After four weeks of rest, I walked into my empty classroom and turned on the lights.
休息了四个星期后，我走进空荡荡的教室，打开了灯。
Late that night, when we were alone, I turned on the computer and found the videos about Lori.
那天深夜，当我们独处时，我打开电脑，找到了关于洛里的视频。
我打开火炉。
The tiger turned on the animal trainer.
老虎突然向训兽员发起袭击。
John turned on the radio. The radio was turned on.
约翰打开了收音机。收音机被人打开了。
He turned off the television and turned on the radio.
他关掉电视机，打开收音机。
Why is the TV in the living unit of the boy on the second floor turned on?
为什么二楼男孩居住单元的电视是开着的？
In order to get some information, Mr. Smith turned on the battery powered radio.
为了得到一些信息，史密斯先生打开了电池供电的收音机。
I turned on my heels and started down the ramp only to be shoved, hard, by something.
我拔腿向斜坡下跑去，却被什么东西狠狠地撞了一下。
He thought to himself, "This driver is just as dangerous as a speeder!" So he turned on his lights and pulled the driver over.
他心想：“这个司机和超速者一样危险！”于是他打开灯，把司机拦了下来。
The answer is that only a small subset of the genes in a particular kind of cell are expressed, or turned on, at a given time.
答案是特定细胞中只有一小部分基因在特定的时间被表达或使用。
Petrarch celebrated their greatness in conquering fortune and rising to the top. This was the biographical tradition which Niccolò Machiavelli turned on its head.
彼得拉克庆祝他们征服财富并登上顶峰的伟大成就。这就是尼科诺·马基雅维利所颠覆的传记传统。
These reactions influence how our genetic code is expressed: how each gene is strengthened or weakened, even turned on or off, to build our bones, brains and all the other parts of our bodies.
这些反应影响着我们的遗传密码的表现方式：每个基因是如何被加强或削弱，甚至其作用机制是如何被打开或关闭，从而构成我们的骨骼、大脑以及身体的其他部位的。
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